README.md in nightcrawler_swift-0.7.0 vs README.md in nightcrawler_swift-0.8.0

@@ -72,10 +72,13 @@
 config.nightcrawler_swift.ssl_client_key =
   OpenSSL::PKey::RSA.new(File.read("key.pem"), "passphrase, if any")
 
 # default: nil
 config.nightcrawler_swift.ssl_ca_file = "ca_certificate.pem"
+
+#default: nil
+config.nightcrawler_swift.ssl_version = "SSLv23"
 ```
 
 By default it will use ```Rails.logger``` as logger, to change that use a different logger in configurations, like:
 
 ```ruby
@@ -210,10 +213,23 @@
 $ nswift delete <swift_path> # nswift delete assets/robots.txt
 ```
 ```sh
 $ nswift url-for <swift_path> # nswift url-for assets/robots.txt
 ```
+```sh
+$ nswift metadata <swift_path>
+# {
+#   "date": "Tue, 31 Mar 2015 02:10:40 GMT",
+#   "content_type": "text/css",
+#   "content_length": "50013",
+#   "last_modified": "Wed, 15 Oct 2014 13:38:56 GMT",
+#   "etag": "e13839c545f32be23b942a41f3ea7724",
+#   "x_timestamp": "1413380335.38118",
+#   "cache_control": "public, max-age=604800",
+#   "x_trans_id": "tx824d632ef9e54685a7563-005519f838"
+# }
+```
 
 For any commands you could provide a different configuration file through the _-c_/_--config_ switch, as:
 
 ```sh
 $ nswift list -c /dir/my-nswift-rc
@@ -271,9 +287,40 @@
 
 ```ruby
 list = NightcrawlerSwift::List.new
 list.execute prefix: '/some/path'
 # [{"hash": "...", "name": "/some/path/with/my_file_path.txt"}, {}, {}, ...]
+```
+
+### Metadata
+
+```ruby
+metadata = NightcrawlerSwift::Metadata.new
+metadata.execute "my_file.css"
+# {
+#   :date=>"Tue, 31 Mar 2015 01:46:10 GMT",
+#   :content_type=>"text/css",
+#   :content_length=>"50013",
+#   :last_modified=>"Wed, 15 Oct 2014 13:38:56 GMT",
+#   :etag=>"e13839c545f32be23b942a41f3ea7724",
+#   :x_timestamp=>"1413380335.38118",
+#   :cache_control=>"public, max-age=604800",
+#   :x_trans_id=>"tx92ca1becd1a74fa3ae1f2-005519fc62"
+# }
+
+# Consulting the bucket/container metadata
+metadata.execute
+# {
+#   :date=>"Tue, 31 Mar 2015 01:41:25 GMT",
+#   :content_type=>"application/xml; charset=utf-8",
+#   :content_length=>"98171",
+#   :x_container_object_count=>"374",
+#   :x_storage_policy=>"default-3x",
+#   :x_container_read=>".r:*",
+#   :x_container_bytes_used=>"7171468",
+#   :x_timestamp=>"1409750420.36261",
+#   :x_trans_id=>"tx17d8c66ab746436b8b7b6-005519fb40"
+# }
 ```
 
 ### Delete
 
 ```ruby